DeutschTuning proudly offers KW Suspension H.A.S. Coilover Spring Kit BMW M3/M4 G8X 2021+. Made exclusively for the high power and performance-driven 2021+ BMW M4 G82 and 2021+ BMW M3 G80, KW suspensions now offers a Height Adjustable Spring Kit for customized suspension lowering. Used in combination with the standard dampers, customized suspension height adjustments are now available for both vehicles. Lowering ranges for the M3 are possible between 10-25mm in the front and 5-20mm in the rear. For the M4, lowering can be achieved between 15-30mm in the front and 5-20mm in the rear. Providing more driving dynamics in OEM quality, the KW chrome-silicon steel lowering springs, matching elastomers, and dust protection systems are used in this vehicle-specific solution, so you can experience full control of your BMW's sleek style and advanced performance. Lowers your M4 between 15-30mm in the front and 5-20mm in the rear. Lowers your M3 between 10-25mm in the front and 5-20mm in the rear. HAS springs offer continuous ride height adjustment. High-quality springs made of chrome-silicon steel with spring rates designed specifically for each respective OE suspension damper and wheel load